@article{ref1,
title="Underground Communications",
journal="OR: Operational research quarterly (1953)",
year="1953",
author="Rivett, Berwyn Hugh Patrick",
volume="4",
number="4",
pages="61-65",
abstract="The work of the National Coal Board on underground communicaions is a result of the Creswell Colliery disaster. The disaster had two main causes: firstly, the ignition of a rubber conveyor belt with the consequent emission of poisonous gases, and, secondly, failure to communicate to the men in the pit the degree of the emergency.<p />",
language="",
issn="1473-2858",
doi="",
url="http://dx.doi.org/"
}